default/head_config.json

{
  "config": {
    "activation_function": "gelu",
    "bias": true,
    "embedding_size": 768,
    "head_type": "masked_lm",
    "label2id": null,
    "layer_norm": true,
    "layers": 2,
    "shift_labels": false,
    "vocab_size": 250002
  },
  "hidden_size": 768,
  "model_class": "XLMRobertaAdapterModel",
  "model_name": "xlm-roberta-base",
  "model_type": "xlm-roberta",
  "name": "default",
  "version": "adapters.1.0.0"
}